lessonguided practicequiz choose your learning channel! jessica potter binko
TRANSCRIPT
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Your Guide to learning about Excel formulas.
Lesson Guided Practice Quiz
Choose Your Learning Channel!
Jessica Potter Binko
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Excel Formulas Lesson
What are formulas?
• Excel’s version of mathematical equations• Performs all sorts of problems• Particularly useful in business math• Cumulative sales totals• Inventory orders• Client management
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Formula Structure
Regular Math Problem Set-Up Excel Math Problem Set-Up
2+2= =2+2
• All Excel formulas begin with an equal sign. Otherwise, the software will have no way of knowing you want to do math.
Excel Formulas Lesson
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Cell Reference• Cells have unique names. They are
referenced by their column letter and row number.
cell A1
Excel Formulas Lesson
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Cell Ranges
• Excel identifies a range by the cells in the upper left and lower right corners of the range.
• You use a colon to signify a range in a formula.
• For example, range A1:B3 includes cells A1, A2, A3, B1, B2, and B3.
Excel Formulas Lesson
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Mathematical & Reference Operators
• You can use mathematical and reference operators in Excel to build formulas. Basic operators include the following:
Excel Formulas Lesson
Math Operat
or
Operation
+ Addition
- Subtraction
* Multiplication
/ Division
% Percentage
= Equal to
Reference Operator
Operation
, “and”
: Range
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Please Excuse My Dear Aunt Sally…
Order of Operations
First Parentheses
Second Exponents
Third Multiplication & Division
Fourth Addition & Subtraction
Excel Formulas Lesson
When you are creating equations, the order of operations determines the results. For example, suppose you want to determine the average of values in cells A2, B2, and C2.
=A2 + B2 + C2/3 = WRONG RESULTS
=(A2 + B2 +C2)/3 = CORRECT RESULTS Next Slide
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Common Functions• Tells Excel what type of math
problem you want to solve.• Goes right after the = sign.• Example: =FUNCTION(Math Problem)
Excel Formulas Lesson
Function: Purpose: Example:
SUM Addition and Subtraction
=SUM(2+2) 5
PRODUCT Multiplication =PRODUCT(2*2) 4
QUOTIENT Division =QUOTIENT(2/2) 1
AVERAGE Finds Averages =AVERAGE(1,2,3,4) 2.5
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More Common Functions
• Goes right after the = sign.• Example: =FUNCTION(Math Problem)
Excel Formulas Lesson
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Function: Purpose: Example:
MEDIAN Finds middle number in a series
=MEDIAN(22,23,24) 23
PMT Finds the periodic payment for a fixed loan
=PMT(interest rate/12, Term in Months, Loan Amount)
RATE Returns an interest rate
=RATE(Years of Loan*12, Monthly Payment, Amount of Loan)
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How to Apply a Function to Create a Formula
Manually• You can just type the type of
function that you want into the cell of a formula and get the desired results.
Excel Formulas Lesson
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How to Apply a Function to Create a Formula
“Insert Function” Dialog Box• Click the “Formulas” tab.• Select the type of math problem you
are performing out of the function library.
• Choose the proper function.
Excel Formulas Lesson
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Worksheet Errors
• Several times when you attempt formulas, you will receive an error message.
Excel Formulas Lesson
Error What it Means:
##### Increase the column width.
#NAME? Check your numbers, operators, functions, and even spacing to make sure that everything is correct. Somewhere in your formula, you made a mistake.
#NUM!
#REF!
#VALUE!
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Proper Formula Syntax
=SUM(A4:A8)
Guided Practice
An Equal Sign always starts out an Excel equation.
The Function: Tells Excel what kind of math problem you want to do.
Parentheses: Signifies the
order of operations.
Cell Reference Name: The column letter corresponds
with the row number.
Range Operator: This formula
includes cells A4, A5, A6, A7,
and A8
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Fill in the missing function
1. =_____(2+2)
2. =_____(2-2)
3. =_____(2*2)
4. = _____(2/2)
• SUM
• SUM
• PRODUCT
• QUOTIENT
Guided Practice
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Answer each question on a blank sheet of paper. Click your mouse to discover the
correct function.
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Fill in the Blank
1. The first thing you put in a cell to tell Excel you want to do a math problem.
2. Signifies that you want to include a range of cells.
3. Tells the name of the cell.
• =
• :
• Cell Reference
Guided Practice
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Answer each question on a blank sheet of paper. Click your mouse to discover the
correct answer.
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Set it upGuided Practice
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What is the proper syntax for
calculating the average of cells A1, A2, A3, A4,
and B3?
=AVERAGE(A1:A4, B3)
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Cell ReferenceGuided Practice
Give the number for each cell reference name.
1.A32.A63.B24.B5
•21•45•12•19
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Excel Formulas Quiz
• Directions: Get out a blank sheet of paper and pencil. Write the letter that corresponds with the best answer to complete each question. Do not go back over the lesson portion of the PowerPoint. You may not use any notes on the quiz. Questions are worth 2 points each for a grand total of 20 points.
• Begin when you’re ready.
Quiz
Begin
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1.
What is the first thing you place into a cell
when creating a formula?
A.) A NumberB.) An Operator (Ex: +,-,/,*)C.) An Equal SignD.) A Function (Ex: SUM)
Quiz
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2.
What is the proper syntax for adding cells A1,
A2, A3, A4, and A5?
A.) A1:A5=B.) SUM=A1:A5C.) =SUM(A1:A5)D.) PRODUCT(A1:A5)
Quiz
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3.
What cells are included in B2: B5?
A.) B2, B3, B4, B5B.) B2, B5C.)B1, B2, B3, B4, B5D.)B4, B5
Quiz
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4.
What is the first order of operations?
A.) ExponentsB.) DivisionC.) MultiplicationD.) Parentheses
Quiz
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5.
What is the proper function for calculating
averages?
A.)AVERAGEB.)AVGEC.)SUMD.)QUOTIENT
Quiz
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6.If the ‘#####’ error message reads in a cellwhere you inserted a formula, what should
youdo to correct the problem?
A.)Check the function for an unacceptable argument.
B.) Check to make sure the formula referenced is the correct value.
C.) Double-check arguments and operands.D.) Increase column width.
Quiz
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7.
Which function is most appropriate for a
subtraction problem?
A.) PMTB.) DIFFERENCEC.) RATED.) SUM
Quiz
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8.
Which function is most appropriate in figuring
out your monthly car payment?
A.) AVERAGEB.) PMTC.) RATED.) SUM
Quiz
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9.
In formulas, what is the comma’s ( , ) role?
A.) Range Operator. It evaluates the entire range of cells.
B.) It signifies to Excel that you want to perform a problem.
C.) Union Operator. It evaluates noncontiguous cells.
D.) Financial Operator. It evaluates loans, interest, and principle.
Quiz
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10.
Why are parentheses used in formulas?
A.) To differentiate from the function and formula.
B.) To show Excel which part of the formula to complete first.
C.) To separate different cell references.D.) To let Excel know exactly what type of
calculation you’re performing.
Quiz
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Friendly Reminders
• Make sure your name is on your quiz.• Make sure the quiz is labeled with
the date.• Make sure all problems are labeled 1-
10.• Turn in your quiz and return to your
seat.• Remain quiet until all classmates are
finished with the quiz.
Quiz
Find out where I got my information
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Citations1. Harville, Lindsey. Lindsey Harville’s EDM 310
Class Blog. 11 Dec. 2011. Web. 15 Sept. 2012. 2. Isard, Debbie Wohl. Attention Debbie Dear. 3 April
2011. Web. 15 Sept. 2012.3. Shoup, Kate. Microsoft Office 2010 Simplified. Ed.
Jody Lefevere. Indianapolis, Indiana: Wiley Publishing, Inc, 2010. Print.
4. ThinkQuest. Oracle Education Foundation. 2000. Web. 15 Sept. 2012.